82. handicap : (1) any disadvantage that makes success more difficult . 不利的因素。
如:
Bad health is a handicap. 身体不好是不利因素。
His lack of English is a great handicap to him . 他不懂英语对他是一大缺陷。
(2) a physical or mental disability 残疾。
如:
Blindness is a great handicap.眼瞎是一大残疾。
83. at once at the same time ; simultaneously 同时。
如:
It‘s hard for one to do two things at once . 人很难同时做两件事。